a strip of aluminium of mass 407g is dropped into, Physics

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a strip of aluminium of mass 407g is dropped into

A strip of aluminium of mass 40.7g is dropped into a beaker of dilute hydrochloric acid. Calculate the work done (in J) on the surrounding atmosphere (1atm pressure, 26.1^oC ) by the evolution of hydrogen in the subsequent reaction. State any assumptions you have made.

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